Cavalieri, Buonaventura
,
Geometria indivisibilibvs continvorvm : noua quadam ratione promota
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LIBER IV.
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CI, & </
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">ſic eſſe quodlibet ſolidum ſimilare genitũ ex parabola, FCH,
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ad ſibi ſimilare genitum ex parabola OCM, iuxta communem re-
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gulam, FH, ſiue CG, ſit axis, ſiue tantum diameter, quod iuxta an-
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tecedentis explicationem facilè intelligi poteſt.</
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<
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">COROLLARIVM III.</
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<
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<
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">ſcilicet parabola, BNH,
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parallelogrammis, PH, AG, & </
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<
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xml:space
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">triangulo, BRH, reuoluatur pa-
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fig-0367-01
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xlink:href
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fig-0367-01a
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number
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249
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file
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0367-01
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/05TCTFNR/figures/0367-01
"/>
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figure
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rabola, BNH, vt fiat noſſrum exem-
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plum, circa axem, NO, & </
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<
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xml:space
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">inſimul, PH,
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AG, & </
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<
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xml:space
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">triangulus, BRH, circa RO,
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patebit ergo cylindrum ex, PO, ad
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fruſtum conoidis ex, ABOR, in reuo-
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lutione genitum, eſſe vt, ON, ad com-
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poſitam ex, NR, & </
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<
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">RO, ipſum ve-
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rò ad idem dempto cylindro ex, AO,
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.</
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<
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">RO, ex Corollario huic Propoſitioni ſubiecto,
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hoc fruſtum tandem ad conum gentium ex triangulo, RBO, vt cõ-
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poſita ex, ON, dupla, MR, & </
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">RO, adipſam, NO; </
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liter quæcunque ſolida ſimilaria ex eiſdem figuris genitricibus geni-
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ta, iuxta communem regulam, BH, eaſdem rationes habere, vt ſu-
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pradicta ad inuicem comparata, ſiue, NO, ſit axis, ſiue tantum dia-
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meter; </
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<
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">Intelligatur autem in ſe-
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quentibus, licet ſemper aſſumatur axis, tamen pro ſolidis ſimilari-
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bus etiam aſſu mptis diametris eadem ibi appoſita verificari.</
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<
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">COROLLARIVM IV.</
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<
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fig-0367-02
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fig-0367-02a
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250
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0367-02
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xlink:href
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omnia quadrata portionis, BSF,
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ad rectangula ſub portione, BSF, & </
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figura diſtantiarum, SEF, eſſe vt, BF,
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ad FE, ſic oſtenſum fuiſſet (aſſumptis
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vice quadratorum alijs figuris ſimili-
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bus, & </
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<
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">vice rectangulorum, aſſumptis
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alijs ſimilibus figuris eius generis, vt
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veluti eſt vnum quoduis dictorum
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omnium quadratorum ad rectãgulum adiacens lateri, à quo deſcri-
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bitur, ita ſit figura ab eodem latere deſcripta vice quadrati ſumpta,
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ad figuram deſcriptam eodem latere vice rectanguli ſumptam, </
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